What color is #ECFF9E?

#ECFF9E is a light, soft lime green. In RGB it is rgb(236, 255, 158), and in HSL hsl(72, 100%, 81%).

Is #ECFF9E accessible as text?

On white, #ECFF9E has a contrast ratio of 1.08:1 (fails WCAG AA for body text); on black it is 19.36:1 (passes). For text placed on #ECFF9E, use black for the best readability.

What is the closest Tailwind color to #ECFF9E?

The nearest Tailwind CSS token is lime-200 (#D8F999).

What colors go well with #ECFF9E?

#ECFF9E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B19EFF. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #ECFF9E below.

Is #ECFF9E good for buttons?

#ECFF9E works well for buttons and highlights, but use black text on #ECFF9E — white text only reaches 1.08:1, below the 4.5:1 needed for normal-size labels.

Is #ECFF9E the same as CSS khaki?

No — #ECFF9E is not the CSS named color khaki, but khaki (#F0E68C) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#ECFF9E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #ECFF9E

Not just a swatch — here's how #ECFF9E works with other colors. Named schemes with #ECFF9E in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #ECFF9E Secondary #B06904 Accent #6C7B49 Surface #F2ECDD Anchor #3A2B1F

This palette keeps Butter Yellow as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Botanical Studio Lead · 5 colors

Lead #ECFF9E Secondary #516A38 Accent #B06904 Surface #EFE9D6 Anchor #3D2F21

Butter Yellow leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Desert Clay Center · 5 colors

Center #ECFF9E Surface #DED0A8 Secondary #AC7D50 Accent #8E9A72 Anchor #3D2D1F

Butter Yellow holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.

Coastal Morning Lead · 5 colors

Lead #ECFF9E Accent #A9C4B8 Surface #E3D9BE Secondary #9AA09F Anchor #183647

Butter Yellow opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #ECFF9E Secondary #F7FFDE Support #999186 Ink #17140F

Butter Yellow is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Butter Yellow carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #ECFF9E actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 64/100

Warm

Reads warm and advancing — inviting, energetic, draws the eye forward.

Softness 73/100

High

Soft and easy on the eye — gentle backdrops, calm surfaces.

Depth 4/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 98/100

Very high

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 27/100

Low

A faint retro warmth without tipping into sepia.

Luxury 7/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 47/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 4/100

Very low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 59/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 75/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #ECFF9E

For UI

For branding

For interior

For fashion

People also use #ECFF9E with

Moccasin Mint Green Wisteria Platinum Army Green

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AAA

Body text Do not use for body copy on light surfaces. Avoid

Large display Only on dark surfaces. Avoid

Background Pair with #141310 text at 17.1:1. Use

Subtle surface Use #F9FCEE for cards and hover fills. Tint 80

Avoid beside #CBFF9E — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #ECFF9E at work across the surfaces designers actually ship.

Website / UI

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Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #ECFF9E;
  --color-base-rgb: 236 255 158;
  --color-base-oklch: oklch(96.5% 0.123 117.8);
  --color-50: #FCFEF0;
  --color-100: #F6FDD8;
  --color-200: #EDFCB1;
  --color-300: #DEF877;
  --color-400: #CBEC46;
  --color-500: #AFD222;
  --color-600: #869F23;
  --color-700: #60701F;
  --color-800: #3F4818;
  --color-900: #272C11;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  butter-yellow: {
    50: '#FCFEF0',
    100: '#F6FDD8',
    200: '#EDFCB1',
    300: '#DEF877',
    400: '#CBEC46',
    500: '#AFD222',
    600: '#869F23',
    700: '#60701F',
    800: '#3F4818',
    900: '#272C11',
  },
}

$base: #ECFF9E;
$base-ink: #141310;
$base-50: #FCFEF0;
$base-100: #F6FDD8;
$base-200: #EDFCB1;
$base-300: #DEF877;
$base-400: #CBEC46;
$base-500: #AFD222;
$base-600: #869F23;
$base-700: #60701F;
$base-800: #3F4818;
$base-900: #272C11;
$base-hover: #DBFF4B;
$base-subtle: #F7FCE5;

{
    "color": {
        "base": {
            "value": "#ECFF9E",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FCFEF0",
                "type": "color"
            },
            "100": {
                "value": "#F6FDD8",
                "type": "color"
            },
            "200": {
                "value": "#EDFCB1",
                "type": "color"
            },
            "300": {
                "value": "#DEF877",
                "type": "color"
            },
            "400": {
                "value": "#CBEC46",
                "type": "color"
            },
            "500": {
                "value": "#AFD222",
                "type": "color"
            },
            "600": {
                "value": "#869F23",
                "type": "color"
            },
            "700": {
                "value": "#60701F",
                "type": "color"
            },
            "800": {
                "value": "#3F4818",
                "type": "color"
            },
            "900": {
                "value": "#272C11",
                "type": "color"
            }
        }
    }
}

Palettes built on #ECFF9E

Color Lab

Pairs with #ECFF9E

UI roles & guardrails

In real applications

Scales

Every model

Export